linux-kernel - RE: [PATCH 0/6] i2c-davinci gpio pulsed SCL recovery with ICPFUNC

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Message-ID: <70E876B0EA86DD4BAF101844BC814DFE093FB40998@Cloud.RL.local>
Date:	Tue, 19 Apr 2011 02:47:53 +0100
From:	Jon Povey <Jon.Povey@...elogic.co.uk>
To:	Ben Gardiner <bengardiner@...ometrics.ca>,
	"Nori, Sekhar" <nsekhar@...com>
CC:	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	Ben Dooks <ben-linux@...ff.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Bastian Ruppert <Bastian.Ruppert@...erin.de>,
	"Griffis, Brad" <bgriffis@...com>,
	Philby John <pjohn@...mvista.com>
Subject: RE: [PATCH 0/6] i2c-davinci gpio pulsed SCL recovery with ICPFUNC

Ben Gardiner wrote:

>>> When creating this series I noticed that there are obvious
>>> similarities between the existing recovery routine implemented by
>>> Philby John and John Povey

> I'm not sure how the 20us in the existing method was derived -- I
> wonder if Philby John or John Povey could comment?

I've been a little bemused about why I am getting credited for I2C
bus recovery work. I don't remember doing any work on that.

I did a couple of patches to fix a race when setting up a TX, but
those are, afaik, unrelated.

All I know about the bus recovery stuff is looking at it a while back
and thinking hmm, that seems to wiggle gpio without changing the
pinmuxing, so it can't possibly work.

--
Jon Povey
jon.povey@...elogic.co.uk

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